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SN74AHCT138D - Texas Instruments

Description: Texas Instruments SN74AHCT138D, Decoder, Demultiplexer, 1-of-8, Inverting, 4.5 → 5.5 V, 16-Pin SOIC

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SN74AHCT138D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - d (r-pdso-g16)-
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SN74AHCT138D Details

  • Manufacturer Part Number:

    SN74AHCT138D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    3 ENABLE INPUTS

  • Family:

    AHCT/VHCT/VT

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    3-LINE TO 8-LINE DECODER

  • Max I(ol):

    0.008 A

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    INVERTED

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.04 mA

  • Prop. Delay@Nom-Sup:

    12 ns

  • Propagation Delay (tpd):

    13 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

SN74AHCT138D Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74AHCT138D is typically 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power supply, connect VCC to a 5V power supply and GND to ground. Make sure to decouple the power supply with a 0.1uF capacitor to reduce noise and ensure stable operation.
  • The SN74AHCT138D can sink or source up to 24mA of current per output pin, but it's recommended to limit the current to 16mA to ensure reliable operation.
  • The enable inputs (E1, E2, E3) are active-low, meaning they must be pulled low to enable the corresponding output. Connect unused enable inputs to VCC to prevent unintended operation.
  • The propagation delay of the SN74AHCT138D is typically around 10-15ns, but it can vary depending on the specific application and operating conditions.

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SN74AHCT138D Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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